UGears Marble Run Stepped Hoist - 2 Mechanical Model | 3D Wooden Mechanical Puzzles | STEM Building & Engineering Kits
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$68.99
Color
Black
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Description
Introducing the Marble Run Stepped Hoist, the second in a series of Ugears modular marble runs. This fun and fascinating wooden marble run features an ingenious 3-stepped alternating lift mechanism and a set of new features to hold your att...